drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen von Code mit höheren Privilegien in RT-Preempt-Realtime-Patch
Name: |
Ausführen von Code mit höheren Privilegien in RT-Preempt-Realtime-Patch |
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ID: |
RHSA-2016:0065-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 25. Januar 2016, 22:40 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0728 |
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Applikationen: |
RT-Preempt-Realtime-Patch |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel-rt security update Advisory ID: RHSA-2016:0065-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0065.html Issue date: 2016-01-25 CVE Names: CVE-2016-0728 =====================================================================
1. Summary:
Updated kernel-rt packages that fix one security issue are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Realtime (v. 7) - noarch, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
* A use-after-free flaw was found in the way the Linux kernel's key management subsystem handled keyring object reference counting in certain error path of the join_session_keyring() function. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2016-0728, Important)
Red Hat would like to thank the Perception Point research team for reporting this issue.
All kernel-rt users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1297475 - CVE-2016-0728 kernel: Possible use-after-free vulnerability in keyring facility
6. Package List:
Red Hat Enterprise Linux Realtime (v. 7):
Source: kernel-rt-3.10.0-327.4.5.rt56.206.el7_2.src.rpm
noarch: kernel-rt-doc-3.10.0-327.4.5.rt56.206.el7_2.noarch.rpm
x86_64: kernel-rt-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-debug-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-debug-devel-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-debuginfo-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-devel-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-trace-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm kernel-rt-trace-devel-3.10.0-327.4.5.rt56.206.el7_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2016-0728 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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